CN103150127A - System for accessing storage in multiple paths, configuration of system, and access method - Google Patents
System for accessing storage in multiple paths, configuration of system, and access method Download PDFInfo
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- CN103150127A CN103150127A CN201310091775XA CN201310091775A CN103150127A CN 103150127 A CN103150127 A CN 103150127A CN 201310091775X A CN201310091775X A CN 201310091775XA CN 201310091775 A CN201310091775 A CN 201310091775A CN 103150127 A CN103150127 A CN 103150127A
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Abstract
The invention discloses a system for accessing a storage in multiple paths, configuration of the system, and an access method, and overcomes defects that the storage is easily accessed wrongly because the same physical storage on a host maps a plurality of logic disks, and a physical storage identified by a plurality of links easily cause link waste. The system is used for accessing storage equipment and comprises an adaptor connected with the storage equipment, a port driving module for generating a universal disk label for the storage equipment, a multi-path filter module for representing the storage equipment as a disk by integrating a plurality of links through a multi-path frame, and a multi-path disk module for organizing a driver to establish connection with the storage equipment. According to the embodiment of the invention, the same storage connected with the plurality of links is represented as a logic disk on the host, and is easily accessed by a user.
Description
Technical field
The present invention relates to a kind of computer technology, relate in particular to a kind of access system and configuration and access method of storing multipath.
Background technology
Along with the development of computer technology, the user is also more and more higher to reliability and the performance requirement of computer system, and is also more and more higher to the requirement of the reliability of data and access speed.
Existing access to memory device is to adopt Ethernet to pass through Internet small computer system interface (iSCSI) agreement mostly, and the mode that perhaps adopts optical fiber to pass through the FC agreement realizes.Being based upon of each physical link all can be mapped as a logic magnetic disc on main frame, what still in fact the polylith logic magnetic disc on main frame identified is a physical store.Such consequence be the user can't confirm on main frame which logic magnetic disc sign be same physical store, cause the user mistake easily to occur to the access of storage because identical physical store maps out a plurality of logic magnetic discs on main frame.
In addition, a physical store of multilink sign at any time only has a link to use, and has caused the waste of link.
Summary of the invention
Technical matters to be solved by this invention is to overcome present identical physical store to map out the deficiency that a physical store that a plurality of logic magnetic discs cause access to storage mistake and multilink sign easily to occur easily causes the link waste on main frame.
In order to solve the problems of the technologies described above, the application provides a kind of access system of storing multipath, is used for memory device is conducted interviews, and wherein, this system comprises:
Adapter connects this memory device;
Port driver block is set to this memory device and produces the generic diskette sign;
The multipath filtering module is arranged to by multipath framework integration multilink, this memory device be shown as a disk;
The multipath disk module is arranged to the tissue driving and is connected with this memory device.
Preferably, this multipath disk module is arranged to according to this this memory device of generic diskette sign identification.
Preferably, this system comprises:
Multipath input output module is arranged to plug and play input output request bag and power management input output request bag are responded.
Preferably, this system comprises:
The storage device management module is set to this multipath input output module and provides routing iinformation to described response.
Preferably, this storage device management module is arranged to link load is carried out the harmony management.
The application provides a kind of collocation method of storing the access system of multipath, and wherein, the method comprises:
Connect memory device by adapter;
For this memory device produces the generic diskette sign;
By multipath framework integration multilink, this memory device is shown as a disk;
Tissue drives with this memory device and connects.
Preferably, tissue drives with this memory device and connects, and comprising:
According to this this memory device of generic diskette sign identification.
The application provides a kind of access method of storing the access system of multipath, and wherein, the method comprises:
Plug and play input output request bag and power management input output request bag are responded.
Preferably, the method comprises:
For this response provides routing iinformation.
Preferably, the method comprises:
Link load is carried out the harmony management.
Compared with prior art, the application's embodiment shows as a logic magnetic disc, user friendly access to same being stored in that multilink connects on main frame.The application's embodiment takes full advantage of multilink at link layer and transmits IO request, the IO that the is conducive to Hoisting System power of handling up, and can play the effect of link redundancy.The application's embodiment has realized the multipath access to memory device, has improved the reliability to storage device access, improves the access performance to storage.In the situation that the link appearance between computing machine and storage is abnormal, computing machine still can accessing storage device to guarantee for the application's embodiment.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in instructions, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and consists of the part of instructions, is used from the application's embodiment one and explains technical scheme of the present invention, does not consist of the restriction to technical solution of the present invention.
Fig. 1 is the organigram of access system of the storage multipath of the embodiment of the present application.
Fig. 2 is the physical network topology schematic diagram that the embodiment of the present application adopts.
Fig. 3 is the schematic flow sheet of collocation method of access system of the storage multipath of the embodiment of the present application.
Fig. 4 is the schematic flow sheet of access method of the storage multipath of the embodiment of the present application.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, how the application technology means solve technical matters to the present invention whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.Each feature in the embodiment of the present application and embodiment mutually combining under the prerequisite of not conflicting mutually is all within protection scope of the present invention.
The application's embodiment sets up storage (disk) equipment in advance to the connection of the physical link between local computer, then records the link information of link.The link information of link mainly comprises logical unit number (Logical Unit Number, the LUN) information of memory device and the port information of local adapter.
When local computer conducts interviews to physical store, choose the transmission that suitable IO request link carries out the IO request.The selection of IO request link can be determined according to the physical topological structure of storage networking, makes mulitpath carry out simultaneously the IO operation of memory device, thereby improves the IO handling capacity of memory device.IO request link selection algorithm commonly used has in turn selecting paths algorithm, underload routing algorithm, failover etc.In failover, there are link A and link B, link A is as primary link, and B is as reserve link, and at first the IO request is adopted on link A and is transmitted, and when link A breaks down, the IO request can be automatically switched to and proceed transmission on link B.
In the application's embodiment, memory device (such as disk) is used for the storage data, and data are transferred on memory device by physical link by computing machine, and carries out persistence and preserve.
As shown in Figure 1, the access system of the storage multipath of the embodiment of the present application mainly comprises adapter 110, port driver block 120, multipath filtering module 130 and multipath disk module 140 etc.
Adapter 110 is used for connecting computing machine and memory device, and the network card adapter 110 that can be Ethernet card can be also the fiber adapter 110 of sonet card.
Port driver block 120 is connected with each adapter 110, is arranged to complete the communication between computing machine and memory device, for this memory device produces generic diskette sign (ID).Communication in reality can adopt the modes such as existing iSCSI agreement, light communication to complete.
multipath disk module 140, be connected with multipath filtering module 130, after a memory device is connected on adapter 110, port driver block 120 produces a generic diskette ID for memory device, multipath disk module 140 can be identified this memory device according to generic diskette ID, and judge according to this generic diskette ID the storage object whether this memory device to one's name will be managed, after it is self-administered storage object when judgement, multipath disk module 140 will be announced the entitlement to disk unit object (being that the bottom physical equipment is abstract at one that drives layer), and organizing other to drive (driving that carries such as operating systems such as disk sort drivings itself) connects with memory device.This will directly stop other driver in upper device stack and the carry file system of creating of identical logical unit number (LUN).If there is no multipath disk module 140, disk sort drives and will be example of each memory device establishment, and creates a plurality of active paths that point to this memory device.Simultaneously, multipath disk module 140 also can send new equipment to multipath input output (IO) module and add notice, informs that multipath IO module 150 has new equipment to arrive.
As shown in Figure 1, the access system of the storage multipath of the embodiment of the present application can also comprise multipath IO module 150, be connected with each adapter 110, it is the module that a bus-type drives, enumerate all devices (memory device that all are connected with computing machine) on it, to plug and play input output request bag (I/ORequest Package, IRP) and power management IRP respond, be used for completing the multiple access to bus, the equipment on management bus (need to carry out the equipment of multi-route management).This module monitors and is connected its memory device and the method that is connected storage device management module 160 for the memory device developer provides, and allows different vendor realize various specific functions according to the characteristics of self storage products, takes full advantage of the characteristic of storage products.
As shown in Figure 1, the access system of the storage multipath of the embodiment of the present application can also comprise storage device management module 160, be connected with multipath disk module 140, be set to the plug and play IRP of multipath IO module 150 and power management IRP response etc. routing iinformation is provided.In other embodiment of the application, storage device management module 160 can also be set to storage (disk) equipment to be provided under online management and/or line and manages, and can also be arranged to that link load is carried out harmony and manage.
Fig. 2 is the physical network topology schematic diagram that the embodiment of the present application adopts.As shown in Figure 2, are connected connection (also can adopt in this example many physical links connect) between computing machine and memory device with physical link by physical link 1.Memory device is mapped as a logic magnetic disc on computers like this.
The access of computing machine to memory device is to be undertaken by the logic magnetic disc that shines upon.Suppose so a kind of situation to occur, when breaking down for one in two links, computing machine can be realized by an other normal route the access of memory device.So just reached the reliability requirement to memory device.When two links are all normal, can realize the maximization of two links is used by load-balancing algorithm, thereby raising be to the access performance of memory device.
As shown in Figure 3, the collocation method of the access system of the storage multipath of the embodiment of the present application mainly comprises following content.
Step S310 connects memory device by adapter.
Step S320 is for this memory device produces the generic diskette sign.
Step S330 by multipath framework integration multilink, shows as a disk with this memory device.
Step S340, tissue drives with this memory device and connects.
Wherein, above-mentioned tissue drives with this memory device and connects, such as comprising:
According to this this memory device of generic diskette sign identification.
As shown in Figure 4, the access method of the storage multipath of the embodiment of the present application mainly comprises following content.
Step S410 responds plug and play input output request bag and power management input output request bag.
The method can also comprise:
Step S420 is for this response provides routing iinformation.
The method can also comprise:
Step S430 carries out the harmony management to link load.
The application's embodiment by many physical links (can be the link that ethernet line or optical fiber cable form) access computing machine, is mapped as a logic magnetic disc at computing machine at memory device.When wherein a link broke down, local computer still can conduct interviews to memory device to being mapped to local logic magnetic disc by other link, thereby had realized the redundancy of link, had realized the high reliability to memory access.The application's embodiment can realize multiple load-balancing method between multilink when storage is conducted interviews, promote the access performance to memory device.
Although the disclosed embodiment of the present invention as above, the embodiment that described content only adopts for ease of understanding the present invention is not to limit the present invention.Those of skill in the art under any the present invention; under the prerequisite that does not break away from the disclosed spirit and scope of the present invention; can carry out any modification and variation on the form of implementing and details; but scope of patent protection of the present invention still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. an access system of storing multipath, be used for memory device is conducted interviews, and wherein, this system comprises:
Adapter connects this memory device;
Port driver block is set to this memory device and produces the generic diskette sign;
The multipath filtering module is arranged to by multipath framework integration multilink, this memory device be shown as a disk;
The multipath disk module is arranged to the tissue driving and is connected with this memory device.
2. access system according to claim 1, wherein:
This multipath disk module is arranged to according to this this memory device of generic diskette sign identification.
3. access system according to claim 1, wherein, this system comprises:
Multipath input output module is arranged to plug and play input output request bag and power management input output request bag are responded.
4. access system according to claim 3, wherein, this system comprises:
The storage device management module is set to this multipath input output module and provides routing iinformation to described response.
5. access system according to claim 4, wherein:
This storage device management module is arranged to link load is carried out the harmony management.
6. the collocation method of the access system of storage multipath according to claim 1, wherein, the method comprises:
Connect memory device by adapter;
For this memory device produces the generic diskette sign;
By multipath framework integration multilink, this memory device is shown as a disk;
Tissue drives with this memory device and connects.
7. method according to claim 6, wherein, organize to drive with this memory device to connect, and comprising:
According to this this memory device of generic diskette sign identification.
8. the access method of the access system of storage multipath according to claim 1, wherein, the method comprises:
Plug and play input output request bag and power management input output request bag are responded.
9. method according to claim 8, wherein, the method comprises:
For this response provides routing iinformation.
10. method according to claim 8, wherein, the method comprises:
Link load is carried out the harmony management.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310091775XA CN103150127A (en) | 2013-03-21 | 2013-03-21 | System for accessing storage in multiple paths, configuration of system, and access method |
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| CN201310091775XA CN103150127A (en) | 2013-03-21 | 2013-03-21 | System for accessing storage in multiple paths, configuration of system, and access method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107168656A (en) * | 2017-06-09 | 2017-09-15 | 郑州云海信息技术有限公司 | A kind of volume duplicate collecting system and its implementation method based on multipath disk drive |
| CN111290702A (en) * | 2018-12-07 | 2020-06-16 | 华为技术有限公司 | Switching method of control equipment, control equipment and storage system |
| CN111352899A (en) * | 2018-12-24 | 2020-06-30 | 中兴通讯股份有限公司 | Path aggregation method, access method, communication device and storage medium |
| CN111901399A (en) * | 2020-07-08 | 2020-11-06 | 苏州浪潮智能科技有限公司 | Cloud platform block equipment exception auditing method, device, equipment and storage medium |
| CN113885799A (en) * | 2021-09-29 | 2022-01-04 | 济南浪潮数据技术有限公司 | Data access method and device, electronic equipment and storage medium |
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| CN101000592A (en) * | 2006-01-12 | 2007-07-18 | 国际商业机器公司 | Non-disruptive multipath device driver update system and method |
| CN101404000A (en) * | 2008-01-04 | 2009-04-08 | 深圳市江波龙电子有限公司 | Reading-writing method and device with multi-memory card logic in one |
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| CN101000592A (en) * | 2006-01-12 | 2007-07-18 | 国际商业机器公司 | Non-disruptive multipath device driver update system and method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107168656A (en) * | 2017-06-09 | 2017-09-15 | 郑州云海信息技术有限公司 | A kind of volume duplicate collecting system and its implementation method based on multipath disk drive |
| CN107168656B (en) * | 2017-06-09 | 2020-07-24 | 苏州浪潮智能科技有限公司 | Volume copy set system based on multipath disk drive and implementation method thereof |
| CN111290702A (en) * | 2018-12-07 | 2020-06-16 | 华为技术有限公司 | Switching method of control equipment, control equipment and storage system |
| CN111352899A (en) * | 2018-12-24 | 2020-06-30 | 中兴通讯股份有限公司 | Path aggregation method, access method, communication device and storage medium |
| WO2020134530A1 (en) * | 2018-12-24 | 2020-07-02 | 中兴通讯股份有限公司 | Path aggregation method and access method, communication device, and storage medium |
| CN111352899B (en) * | 2018-12-24 | 2024-04-12 | 中兴通讯股份有限公司 | Path aggregation method, access method, communication device, and storage medium |
| CN111901399A (en) * | 2020-07-08 | 2020-11-06 | 苏州浪潮智能科技有限公司 | Cloud platform block equipment exception auditing method, device, equipment and storage medium |
| CN111901399B (en) * | 2020-07-08 | 2022-12-09 | 苏州浪潮智能科技有限公司 | Cloud platform block equipment exception auditing method, device, equipment and storage medium |
| US11782609B2 (en) | 2020-07-08 | 2023-10-10 | Inspur Suzhou Intelligent Technology Co., Ltd. | Method and apparatus for auditing abnormality of block device in cloud platform, device, and storage medium |
| CN113885799A (en) * | 2021-09-29 | 2022-01-04 | 济南浪潮数据技术有限公司 | Data access method and device, electronic equipment and storage medium |
| CN113885799B (en) * | 2021-09-29 | 2024-03-15 | 济南浪潮数据技术有限公司 | Data access method, device, electronic equipment and storage medium |
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Application publication date: 20130612 |